18 Aubrey Avenue, Cardiff, CF5 1AQ
About 18 Aubrey Avenue
18 Aubrey Avenue is a four-bedroom semi-detached house in Cardiff (CF5 1AQ). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (February 2023) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump.
Untraded for 27 years, with the last transfer in November 1999. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. 3 planning records sit against the property, 2 approved, 0 refused, 1 pending. Past consents include an extension, meaningful when judging how the property has evolved. An active application for an extension is awaiting a decision. Today's modelled estimate of £517,000 sits 330.8% above the 1999 sale of £120,000. On a £-per-square-foot basis, the last sale (£84/sq ft) was about 65.1% below the postcode norm. At 133 m² it's 27.9% larger than the typical home in the postcode (104 m² median across 21 EPCs).
What this property has
Inside
- Bedrooms4
- Bathrooms2
Outside
- ParkingOff road
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
An application for a rear extension is currently awaiting a decision.
3 applications on record at 18 Aubrey Avenue, Cardiff, CF5 1AQ
1 live now- Apr 2010ExtensionFullOutcome in report
ROOF EXTENSION FROM HIP TO GABLE AND REAR DORMER
- Documents
- 4 docs on file
- Reference
- 10/00280/W
- More recent applications — locked
- ExtensionSept 2025Decision
- ExtensionAug 2012Decision
Unlock 18 Aubrey Avenue, Cardiff, CF5 1AQ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 3 applications on this property in full, plus 2 notable nearby
- The 17 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
18 Aubrey Avenue's modelled value sits at over four times its earliest registered sale price (1999).
£517,000
Modelled from EPC, postcode comparables.
£120,000
Recorded with HM Land Registry.
Sales timeline
12 November 1999Most recent
£120,000
Median price across the last 5 sales in CF5 1AQ: £474,500 (2024–2021).
Versus other Aubrey Avenue homes
18 Aubrey Avenue is notably below the street on price per m².
Price per m²
£902
Street avg £3,318
Floor Area
133 m²
Street avg 108 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
5.1 t/year
Street avg 5.3 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Windway Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







